diff --git a/src/features/order/orderSlice.ts b/src/features/order/orderSlice.ts
index 3e5fd58..41d997c 100644
--- a/src/features/order/orderSlice.ts
+++ b/src/features/order/orderSlice.ts
@@ -873,7 +873,7 @@ export const selectGrandTotal = (state: RootState) => {
     taxAmount -
     totalDiscount +
     deliveryFee -
-    state.order.splitBillAmount -
+    state.order.splitBillAmount +
     Number(state.order.tip)
   );
 };